I have been testing:
Professor Layton and the Miracle Mask and
Professor Layton and the Azran Legacy
With Kortest's build in post #4194
The emulation seems perfect already.
Now we just need speedup by a factor of 4 to 8...
Antimicro is another free alternative (together with JoyToKey that was already mentioned here). Padstarr is the most feature-rich mapper, but costs USD 5.99.